I am using Scala dispatch HTTP library, version 0.10.1. I make a request to a URL that returns an HTTP 301, permanent redirect. For example, http://wikipedia.com returns a 301 that redirects to http://www.wikipedia.org/. How do I do I use dispatch to get the redirected URL?
Following the tutorial, here's what I've done.
import dispatch._, Defaults._
val svc = url("http://wikipedia.com")
val r = Http(svc OK as.String)
r()
This throws a "Unexpected response status: 301" exception. Presumably I need to either query the r
value for the redirected URL, or maybe specify some argument other than OK
in its definition, but I can't figure out what to do from the documentation.
Configure the underlying asyncClient to follow redirects:
val r = Http.configure(_ setFollowRedirects true)(svc OK as.String)
To get the redirected URL:
val svc = url("http://wikipedia.com/")
val r = Http(svc > (x => x))
val res = r()
println(res.getHeader("Location"))
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